I used there flex tape one time on my traps for my flat bed trucking that i was doing. It sat in the sun got real sticky and gooey and made a big mess of my trap. It didn't last more then a day. About 5 years ago had a water leak on my main slide out. I used the black spray and it seem to be working OK it did stop the leak but I never did go up to check the top of the slide after I used it so I don't know if it came off the surface that I sprayed. I still won't use it any more.
Charlie
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